Why measure EC (Electrical Conductivity) ? The salinity of the soil, irrigation water systems or ..
This is a professional Arduino pH Sensor Meter Kit with industrial electrode. It has built-..
Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it..
This is an Arduino-compatible TDS sensor/Meter Kit for measuring TDS value of the water, to reflect ..
PM2.5 laser dust sensor is a digital universal particle concentration sensor，it can be used to ob..
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